Add, upgrade or expand your battery storage
More Power.
More Saving.
Smarter Energy.
We install and Expand battery storage systems that work seamlessly with your existing solar setup and power your home or business better.
Add battery
to your existing solar system
Expand your existing battery
more capacity.
more independence
Smarter energy management
Store more, use more, save more
Expert Installation & Support
quality you can trust, long term
The arithmetic nobody explained when you bought the panels
Picture an ordinary Tuesday.
Everyone leaves. Generation is climbing and the house is drawing almost nothing — a fridge, some standby, maybe a heat pump ticking over.
Peak generation. The house uses a fraction of what the roof produces. Everything else exports. Under the Clean Export Guarantee your supplier pays you for it, at a rate meaningfully below what they charge you to buy it back.
Everyone’s home. Oven, kettle, showers, TVs, the car on charge. Generation has collapsed or stopped entirely. You’re importing at the most expensive rate of the day.
On a day/night or smart tariff this is the cheapest electricity you will ever buy. Without storage you can only use it in real time, which means dishwashers on timers and not much else.
A battery doesn’t generate anything new. It stops you selling low and buying high, four times a day, every day of the year.
Add a battery to existing solar
Your panels are already earning. A retrofit battery captures the surplus you’re currently exporting and releases it in the evening peak, when your house is actually using power.
In most cases we can do this without touching your existing panels or inverter at all. A separate battery inverter sits alongside what you have, which means no disruption to a working system and no risk to a warranty you still hold. Where your inverter is nearing the end of its life anyway, a hybrid changeover is often the better call — we’ll tell you which, and why, in writing.
Typical residential retrofit: one day on site.
Add more to the battery you have
The most common message we get is some version of “it’s brilliant, but it’s empty by ten o’clock.”
That isn’t a fault. It’s a battery sized for a smaller life than the one you’re now living — specified before the EV, before the heat pump, before two people started working from the spare room. Early Irish installs were also sized cautiously, because nobody yet had the data to justify going bigger.
If your stack has headroom, adding modules is faster, cheaper and less disruptive than starting again. If it doesn’t, a second independent system alongside is usually the answer. We check which before quoting either.
Battery not working properly?
We diagnose and repair all major brands, including systems we didn’t install.
Why people choose us for a battery
We’re independent.
We size from data, not rules of thumb.
We do batteries all day.
The paperwork is done properly.
We’re still here in year six.
How big a battery do you actually need?
Sizing isn’t about your roof. It’s about how much electricity you use after the sun goes down, and whether your tariff lets you buy cheap overnight.
An oversized battery never fills — you’ve paid for capacity that sits idle most of the year. An undersized one is flat by nine, leaving you importing through the most expensive part of the evening. The second is far more common in Ireland, which is exactly why so much of our work is expansion rather than new installation.
Answer six questions and see the range that fits your house, along with where it fills from in June and in December.
What’s involved
From enquiry to commissioned, step by step
What We Do
| Service | Residential | Commercial |
|---|---|---|
| Battery retrofit to existing solar | Yes | Yes |
| Battery expansion / added modules | Yes | Yes |
| Storage upgrades & hybrid inverter changeover | Yes | Yes |
| Battery replacement | Yes | Yes |
| Backup power / EPS wiring | Yes | Yes |
| Smart tariff optimisation | Yes | Yes |
| Health checks & capacity testing | Yes | Yes |
| Fault diagnosis and repair | Yes | Yes |
| Peak shaving & MIC management | - | Yes |
| ESB Networks applications, G10 / EGIP | Yes | Yes |
| Planned maintenance contracts | Yes | Yes |
Brands we install and expand
Storage that earns off your demand charges, not just your roof
A commercial battery isn’t a bigger domestic one. The value sits somewhere different — in capacity and demand charges, in avoiding a maximum import capacity upgrade, in keeping a critical process alive through an outage, in creating headroom for an EV fleet without triggering network reinforcement.
None of that can be sized from a rule of thumb. We model it from your half-hourly data before quoting a single kilowatt, and if the case doesn’t stand up we’ll say so rather than sell you something.
Four things to know before you spend anything
Coverage
Nationwide, Republic of Ireland. Dublin, Cork, Galway, Limerick, Waterford, Kildare, Meath, Wicklow, Wexford, Kilkenny, Louth, Tipperary and every county between.
Frequently asked questions
Can I add a battery to solar panels that are already installed?
Yes, in nearly all cases, and usually without touching the panels or the existing inverter.
Can I add more capacity to a battery I already have?
Frequently. It depends on stack headroom, module matching and the age of the existing pack. Where it isn't advisable, we'll say so and price the alternative.
Is there a grant for battery storage?
No. The SEAI grant covers solar panels; storage sits outside it. Verify at seai.ie.
How long does installation take?
Most residential retrofits are one day. Expansions are often half a day.